src/libcola/conjugate_gradient.h

   1 #ifndef _CONJUGATE_GRADIENT_H
   2 #define _CONJUGATE_GRADIENT_H
   3
   4 #include <valarray>
   5
   6 double
   7 inner(std::valarray<double> const &x,
   8       std::valarray<double> const &y);
   9
  10 void
  11 conjugate_gradient(double **A,
  12                    double *x,
  13                    double *b,
  14                    unsigned n,
  15                    double tol,
  16            unsigned max_iterations);
  17 void
  18 conjugate_gradient(std::valarray<double> const &A,
  19                    std::valarray<double> &x,
  20                    std::valarray<double> const &b,
  21                    unsigned n, double tol,
  22                    unsigned max_iterations);
  23 #endif // _CONJUGATE_GRADIENT_H